22 lines
855 B
C++
22 lines
855 B
C++
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#include "arrowitem.hpp"
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#include <QtMath>
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#include <settings.hpp>
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void ArrowItem::mouseDragEvent(QGraphicsSceneMouseEvent *e, CropScene *scene) {
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if (init.isNull()) {
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init = e->scenePos();
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line = scene->addLine(QLineF(init, init), scene->pen());
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QPainterPath poly;
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qreal w = settings::settings().value("arrow/width", 20).toDouble() / 2;
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qreal h = settings::settings().value("arrow/height", 10).toDouble();
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poly.lineTo(QPoint(-w, h));
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poly.lineTo(QPoint(0, 0));
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poly.lineTo(QPoint(w, h));
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head = scene->addPath(poly, scene->pen(), scene->brush());
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} else {
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line->setLine(QLineF(init, e->scenePos()));
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head->setRotation(270 + qRadiansToDegrees(qAtan2((init.y() - e->scenePos().y()), (init.x() - e->scenePos().x()))));
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}
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head->setPos(e->scenePos());
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}
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